Finding the Fourth Proportional to 299,575,689.29, 413,378,647.18 and 165,595,506.97
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Solution
The fourth proportional to 299,575,689.29, 413,378,647.18 and 165,595,506.97 is: 228,502,008.33
Step by Step Solution
- Step 1: Write the proportion equation
299,575,689.29 : 413,378,647.18 = 165,595,506.97 : x - Step 2: Convert to fraction form
299,575,689.29/413,378,647.18 = 165,595,506.97/x - Step 3: Cross multiply
299,575,689.29x = 413,378,647.18 × 165,595,506.97 - Step 4: Simplify right side
299,575,689.29x = 68,453,646,650,344,864 - Step 5: Solve for x
x = 68,453,646,650,344,864/299,575,689.29 - Step 6: Final answer
x = 228,502,008.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.